/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

/* 按钮基础样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

/* 主按钮样式 */
.btn-primary {
    background-color: #343a40;
    color: white;
}

.btn-primary:hover {
    background-color: #495057;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 表单样式 */
.form-control {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #007AFF;
    outline: none;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* 导航栏样式 */
.navbar {
    background: white;
    padding: 16px 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 悬停动画 */
.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.02);
}